US 40 Ml over I 70 Ml
FairJefferson County, Colorado · 1.8 MI E of JCT SH 74 · Structure no. F-15-CI
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected August 2023
- Type
- Box Beam or Girders - Single or Spread
- Steel Continuous
- Length
- 218 ft
- 3 main spans
- Daily traffic
- 2,300
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
US 40 Ml over I 70 Ml is a steel continuous box beam or girders - single or spread carrying US 40 Ml over I 70 Ml in Jefferson County, Colorado. It was built in 1970, so it is 55 years old, older than the Colorado average of 42.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 2,300 vehicles a day, roughly 4% of them trucks, projected to reach 2,484 by 2038. The structure is 218 ft (66.4 m) long and 51 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 40 Ml over I 70 Ml built?
It was built in 1970, making it 55 years old in 2025.
What condition is US 40 Ml over I 70 Ml in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.
How much traffic does US 40 Ml over I 70 Ml carry?
About 2,300 vehicles per day (2018 count), of which roughly 4% are trucks.
How long is US 40 Ml over I 70 Ml?
The structure is 218 ft (66.4 m) long with a longest span of 180 ft (54.9 m) and a deck 51 ft wide.
Who owns US 40 Ml over I 70 Ml?
It is owned by the State Highway Agency.